DENSITY OF THE MATERIAL OF THE BODY
DENSER THAN WATER
To
determine the density of the material of the body denser than water.
A metal
bob, measuring cylinder and weighing balance.
Density
of the material of the body denser than water, ρ = M / V kg/ℓ. Where, M = Mass of the body in water (kg) and V = volume of the
body (ℓ)
·
Take a metal bob. Weigh the bob in weigh balance.
Let the mass of the bob be M.
·
Take a measuring cylinder and fill about half of it
with water. Note the reading of water level in the measuring cylinder. Let it
be V1.
·
Suspend the bob in the measuring cylinder so that
it is completely immersed in water. Note down the level of water in the
measuring cylinder. Let it be V2.
·
The difference in the two readings of the measuring
cylinder i.e., V1 − V2
is the volume of the metal bob.
·
Find out the ratio of mass of the bob in air to the
volume of the metal bob. This gives you the density of material of the bob. The
ratio of mass of a body to its volume is equal to the density of the material
of which the metal bob is made.
Mass of
the metal bob in air, M = _______________ × 10−3 kg
Volume of
the metal bob, V = _______________ × 10−3 ℓ
Density
of the material of the metal bob, ρ = M / V =
_______________ kg/ℓ.
The
density of the material of the body denser than water is found to be
_______________ kg/ℓ.
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